Struct FmtNumShape 

pub struct FmtNumShape {
    pub prefix: u16,
    pub left: u16,
    pub right: u16,
}

🖹 ⅀ Describes the structural shape of a formatted number.

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^{📍 text/fmt}

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The shape captures the lengths of the numeric regions and prefixes, independent of padding, alignment, or styling.

Fields

prefix: u16

Number of prefix glyphs (e.g. sign or base prefix).

left: u16

Number of digits in the integral (left) part.

right: u16

Number of digits in the fractional (right) part.

Implementations

impl FmtNumShape

pub const fn new(prefix: u16, left: u16, right: u16) -> Self

Creates a numeric shape from prefix and digit counts.

• prefix counts leading non-digit glyphs (e.g. sign or base prefix).
• left counts digits in the integral (left) part.
• right counts digits in the fractional (right) part.

pub const fn has_radix(&self) -> bool

Returns whether the number has a radix separator.

This is true when there is a fractional part (right > 0).

pub const fn total(&self) -> usize

Returns the total number of glyphs required to render the number.

This includes:

• the prefix (e.g. sign),
• integral digits,
• the radix separator (if present),
• fractional digits.

pub const fn left_block(self) -> usize

Returns the size of the left alignment block.

This includes the prefix and all integral digits, but excludes the radix separator and fractional digits.

Trait Implementations

impl Clone for FmtNumShape

fn clone(&self) -> FmtNumShape

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for FmtNumShape

impl Debug for FmtNumShape

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

Formats the value using the given formatter.

impl Default for FmtNumShape

fn default() -> FmtNumShape

Returns the “default value” for a type.

impl Eq for FmtNumShape

impl Hash for FmtNumShape

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 Ord for FmtNumShape

fn cmp(&self, other: &FmtNumShape) -> 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 FmtNumShape

fn eq(&self, other: &FmtNumShape) -> 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 FmtNumShape

fn partial_cmp(&self, other: &FmtNumShape) -> 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 StructuralPartialEq for FmtNumShape