Struct char7

pub struct char7(/* private fields */);

Available on crate feature _char7 only.

A 7-bit unicode scalar, limited to basic latin subset (ASCII).

Option<char7> is the same size as char7 or char8 (1 byte).

See also: char8, char16, char.

Implementations

impl char7

pub const MIN: char7

The lowest unicode scalar a char7 can represent, '\u{00}'.

pub const MAX: char7

The highest unicode scalar a char7 can represent, '\u{7F}'.

pub const fn from_ascii_char(c: AsciiChar) -> char7

Available on crate feature ascii only.

Converts an AsciiChar to char7.

pub const fn try_from_char8(c: char8) -> Result<char7, DataOverflow>

Available on crate feature _char8 only.

Tries to convert a char8 to char7.

Errors

Returns DataOverflow if the character can’t fit in 7 bits.

pub const fn try_from_char16(c: char16) -> Result<char7, DataOverflow>

Available on crate feature _char16 only.

Tries to convert a char16 to char7.

Errors

Returns DataOverflow if the character can’t fit in 7 bits.

pub const fn try_from_char(c: char) -> Result<char7, DataOverflow>

Tries to convert a char to char7.

Errors

Returns DataOverflow if the character can’t fit in 7 bits.

pub const fn to_ascii_char(c: char7) -> AsciiChar

Available on crate feature ascii only.

Converts a char7 to AsciiChar.

pub const fn to_char8(self) -> char8

Available on crate feature _char8 only.

Converts this char7 to char8.

pub const fn to_char16(self) -> char16

Available on crate feature _char16 only.

Converts this char7 to char16.

pub const fn to_char(self) -> char

Converts this char7 to char.

pub const fn to_u32(self) -> u32

Converts this char7 to u32.

pub const fn to_utf8_bytes(self) -> [u8; 1]

Converts this char7 to an UTF-8 encoded sequence of bytes.

pub const fn is_noncharacter(self) -> bool

Returns true if this unicode scalar is a noncharacter.

pub const fn is_character(self) -> bool

Returns true if this unicode scalar is an abstract character.

pub const fn is_ascii(self) -> bool

Checks if the value is within the ASCII range.

pub const fn to_ascii_uppercase(self) -> char7

Makes a copy of the value in its ASCII upper case equivalent.

ASCII letters ‘a’ to ‘z’ are mapped to ‘A’ to ‘Z’, but non-ASCII letters are unchanged.

pub const fn to_ascii_lowercase(self) -> char7

Makes a copy of the value in its ASCII lower case equivalent.

ASCII letters ‘A’ to ‘Z’ are mapped to ‘a’ to ‘z’, but non-ASCII letters are unchanged.

impl char7

pub const fn byte_len(self) -> usize

Returns the number of bytes needed to represent the scalar value.

pub const fn len_utf8(self) -> usize

Returns the number of bytes needed to encode in UTF-8.

pub const fn len_utf16(self) -> usize

Returns the number of bytes needed to encode in UTF-16.

pub const fn to_digit(self, radix: u32) -> Option<u32>

Converts the scalar to a digit in the given radix.

‘Digit’ is defined to be only the following characters: 0-9, a-z, A-Z.

Errors

Returns None if the char does not refer to a digit in the given radix.

Panics

Panics if given a radix larger than 36.

pub const fn is_nul(self) -> bool

Returns true if this is the nul character (0x00).

pub const fn is_digit(self, radix: u32) -> bool

Checks if the unicode scalar is a digit in the given radix.

See also to_digit.

Trait Implementations

impl Binary for char7

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl BitSized<7> for char7

const BIT_SIZE: usize = _

The bit size of this type (only the relevant data part, without padding).

const MIN_BYTE_SIZE: usize = _

The rounded up byte size for this type.

fn bit_size(&self) -> usize

Returns the bit size of this type (only the relevant data part, without padding).

fn min_byte_size(&self) -> usize

Returns the rounded up byte size for this type.

impl Clone for char7

fn clone(&self) -> char7

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl ConstDefault for char7

const DEFAULT: Self

Returns the default value of \x00 (nul character).

impl Debug for char7

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for char7

fn default() -> Self

Returns the default value of \x00 (nul character).

impl Display for char7

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<char7> for char

fn from(c: char7) -> char

Converts to this type from the input type.

impl From<char7> for char16

fn from(c: char7) -> char16

Converts to this type from the input type.

impl From<char7> for char8

fn from(c: char7) -> char8

Converts to this type from the input type.

impl Hash for char7

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl LowerHex for char7

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Octal for char7

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Ord for char7

fn cmp(&self, other: &char7) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for char7

fn eq(&self, other: &char7) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for char7

fn partial_cmp(&self, other: &char7) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl TryFrom<char> for char7

type Error = DataOverflow

The type returned in the event of a conversion error.

fn try_from(c: char) -> Result<char7, DataOverflow>

Performs the conversion.

impl TryFrom<char16> for char7

type Error = DataOverflow

The type returned in the event of a conversion error.

fn try_from(c: char16) -> Result<char7, DataOverflow>

Performs the conversion.

impl TryFrom<char8> for char7

type Error = DataOverflow

The type returned in the event of a conversion error.

fn try_from(c: char8) -> Result<char7, DataOverflow>

Performs the conversion.

impl UnicodeScalar for char7

const MIN: Self = Self::MIN

The lowest unicode scalar that can be represented.

const MAX: Self = Self::MAX

The highest unicode scalar that can be represented.

fn byte_len(self) -> usize

Returns the number of bytes needed to represent the scalar value.

fn len_utf8(self) -> usize

Returns the number of bytes needed to encode in UTF-8.

fn len_utf16(self) -> usize

Returns the number of bytes needed to encode in UTF-16.

fn encode_utf8(self, dst: &mut [u8]) -> &mut str

Encodes this scalar as UTF-8 into the provided byte buffer, and then returns the subslice of the buffer that contains the encoded scalar.

fn to_utf8_bytes(self) -> [u8; 4]

Converts this scalar to an UTF-8 encoded sequence of bytes.

fn encode_utf16(self, dst: &mut [u16]) -> &mut [u16]

Encodes this scalar as UTF-16 into the provided byte buffer, and then returns the subslice of the buffer that contains the encoded scalar.

fn to_digit(self, radix: u32) -> Option<u32>

Converts the scalar to a digit in the given radix.

fn to_ascii_uppercase(self) -> Self

Makes a copy of the value in its ASCII upper case equivalent.

fn to_ascii_lowercase(self) -> Self

Makes a copy of the value in its ASCII lower case equivalent.

fn is_noncharacter(self) -> bool

Returns true if this unicode scalar is a noncharacter.

fn is_digit(self, radix: u32) -> bool

Checks if the unicode scalar is a digit in the given radix.

fn is_control(self) -> bool

Returns true if this unicode scalar has the general category for control codes.

fn is_nul(self) -> bool

Returns true if this unicode scalar is the nul character (0x00).

fn is_alphabetic(self) -> bool

Returns true if this unicode scalar has the Alphabetic property.

fn is_numeric(self) -> bool

Returns true if this unicode scalar has one of the general categories for numbers.

fn is_alphanumeric(self) -> bool

Returns true if this unicode scalar satisfies either is_alphabetic() or is_numeric().

fn is_lowercase(self) -> bool

Returns true if this unicode scalar has the Lowercase property.

fn is_uppercase(self) -> bool

Returns true if this unicode scalar has the Lowercase property.

fn is_whitespace(self) -> bool

Returns true if this unicode scalar has the White_Space property.

fn is_ascii(self) -> bool

Checks if the value is within the ASCII range.

fn is_character(self) -> bool

where Self: Sized,

Returns true if this unicode scalar is an abstract character.

impl UpperHex for char7

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for char7

impl Eq for char7

impl StructuralPartialEq for char7