Enum rocket_db_pools::figment::value::Num
source · pub enum Num {
}Expand description
A signed or unsigned numeric value.
Variants§
U8(u8)
An 8-bit unsigned integer.
U16(u16)
A 16-bit unsigned integer.
U32(u32)
A 32-bit unsigned integer.
U64(u64)
A 64-bit unsigned integer.
U128(u128)
A 128-bit unsigned integer.
USize(usize)
An unsigned integer of platform width.
I8(i8)
An 8-bit signed integer.
I16(i16)
A 16-bit signed integer.
I32(i32)
A 32-bit signed integer.
I64(i64)
A 64-bit signed integer.
I128(i128)
A 128-bit signed integer.
ISize(isize)
A signed integer of platform width.
F32(f32)
A 32-bit wide float.
F64(f64)
A 64-bit wide float.
Implementations§
source§impl Num
impl Num
sourcepub fn to_u32(self) -> Option<u32>
pub fn to_u32(self) -> Option<u32>
Converts self into a u32 if self is an unsigned variant with <= 32 bits.
§Example
use figment::value::Num;
let num: Num = 123u8.into();
assert_eq!(num.to_u32(), Some(123));
let num: Num = (u32::max_value() as u64 + 1).into();
assert_eq!(num.to_u32(), None);sourcepub fn to_u128(self) -> Option<u128>
pub fn to_u128(self) -> Option<u128>
Converts self into a u128 if self is an unsigned variant.
§Example
use figment::value::Num;
let num: Num = 123u8.into();
assert_eq!(num.to_u128(), Some(123));sourcepub fn to_i128(self) -> Option<i128>
pub fn to_i128(self) -> Option<i128>
Converts self into an i128 if self is a signed Value::Num
variant.
§Example
use figment::value::Num;
let num: Num = 123i8.into();
assert_eq!(num.to_i128(), Some(123));sourcepub fn to_actual(&self) -> Actual
pub fn to_actual(&self) -> Actual
Converts self into an Actual. All unsigned variants return
Actual::Unsigned, signed variants Actual::Signed, and float
variants Actual::Float. Values exceeding the bit-width of the target
Actual are truncated.
§Example
use figment::{value::Num, error::Actual};
assert_eq!(Num::U8(10).to_actual(), Actual::Unsigned(10));
assert_eq!(Num::U64(2380).to_actual(), Actual::Unsigned(2380));
assert_eq!(Num::I8(127).to_actual(), Actual::Signed(127));
assert_eq!(Num::ISize(23923).to_actual(), Actual::Signed(23923));
assert_eq!(Num::F32(2.5).to_actual(), Actual::Float(2.5));
assert_eq!(Num::F64(2.103).to_actual(), Actual::Float(2.103));Trait Implementations§
source§impl<'de> Deserializer<'de> for Num
impl<'de> Deserializer<'de> for Num
source§fn deserialize_any<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Error>where
V: Visitor<'de>,
fn deserialize_any<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Error>where
V: Visitor<'de>,
Require the
Deserializer to figure out how to drive the visitor based
on what data type is in the input. Read moresource§fn deserialize_bool<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_bool<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a bool value.source§fn deserialize_u8<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u8<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a u8 value.source§fn deserialize_u16<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u16<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a u16 value.source§fn deserialize_u32<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u32<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a u32 value.source§fn deserialize_u64<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u64<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a u64 value.source§fn deserialize_i8<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i8<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting an i8 value.source§fn deserialize_i16<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i16<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting an i16 value.source§fn deserialize_i32<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i32<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting an i32 value.source§fn deserialize_i64<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i64<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting an i64 value.source§fn deserialize_f32<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_f32<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a f32 value.source§fn deserialize_f64<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_f64<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a f64 value.source§fn deserialize_char<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_char<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a char value.source§fn deserialize_str<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_str<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a string value and does
not benefit from taking ownership of buffered data owned by the
Deserializer. Read moresource§fn deserialize_string<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_string<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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Deserialize type is expecting a string value and would
benefit from taking ownership of buffered data owned by the
Deserializer. Read moresource§fn deserialize_seq<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_seq<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a sequence of values.source§fn deserialize_enum<V>(
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_enum<V>(
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_byte_buf<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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Deserialize type is expecting a byte array and would
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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self,
name: &'static str,
fields: &'static [&'static str],
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_struct<V>(
self,
name: &'static str,
fields: &'static [&'static str],
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a struct with a particular
name and fields.source§fn deserialize_unit<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_unit<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a unit value.source§fn deserialize_newtype_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_newtype_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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particular name.source§fn deserialize_ignored_any<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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self,
name: &'static str,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_unit_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a unit struct with a
particular name.source§fn deserialize_tuple_struct<V>(
self,
name: &'static str,
len: usize,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_tuple_struct<V>(
self,
name: &'static str,
len: usize,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a tuple struct with a
particular name and number of fields.source§fn deserialize_tuple<V>(
self,
len: usize,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_tuple<V>(
self,
len: usize,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize type is expecting a sequence of values and
knows how many values there are without looking at the serialized data.source§fn deserialize_option<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_option<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_identifier<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Num as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_i128<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
V: Visitor<'de>,
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self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_u128<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
V: Visitor<'de>,
source§fn is_human_readable(&self) -> bool
fn is_human_readable(&self) -> bool
Determine whether
Deserialize implementations should expect to
deserialize their human-readable form. Read moresource§impl Serialize for Num
impl Serialize for Num
source§fn serialize<S>(
&self,
ser: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
S: Serializer,
fn serialize<S>(
&self,
ser: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
S: Serializer,
Serialize this value into the given Serde serializer. Read more
impl Copy for Num
Auto Trait Implementations§
impl Freeze for Num
impl RefUnwindSafe for Num
impl Send for Num
impl Sync for Num
impl Unpin for Num
impl UnwindSafe for Num
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