Struct FormatSpec 

pub struct FormatSpec {
    pub fill: char,
    pub align: Align,
    pub sign: Sign,
    pub alt: bool,
    pub zero: bool,
    pub width: u16,
    pub grouping: Grouping,
    pub precision: Option<u16>,
    pub ty: FmtType,
}

Fields

fill: char

align: Align

sign: Sign

alt: bool

#: 0x/0o/0b prefix.

zero: bool

0: pad with zeros after the sign.

width: u16

grouping: Grouping

precision: Option<u16>

ty: FmtType

Implementations

impl FormatSpec

pub fn encode(&self) -> [u32; 2]

Packs the spec into two instruction data words.

pub fn decode(w: [u32; 2]) -> FormatSpec

Unpacks FormatSpec::encode’s words.

pub fn check(&self, kind: ValueKind, type_name: &str) -> Result<(), String>

Whether the spec can format a value of kind; type_name names it in the error.

Trait Implementations

impl Clone for FormatSpec

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for FormatSpec

impl Debug for FormatSpec

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

Formats the value using the given formatter.

impl Default for FormatSpec

fn default() -> Self

Returns the “default value” for a type.

impl Eq for FormatSpec

impl PartialEq for FormatSpec

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for FormatSpec