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//! This is an internal module used by the ifmt! runtime. These structures are
//! emitted to static arrays to precompile format strings ahead of time.
//!
//! These definitions are similar to their `ct` equivalents, but differ in that
//! these can be statically allocated and are slightly optimized for the runtime
#![allow(missing_debug_implementations)]
#[derive(Copy, Clone)]
pub struct Argument {
pub position: usize,
pub format: FormatSpec,
}
#[derive(Copy, Clone)]
pub struct FormatSpec {
pub fill: char,
pub align: Alignment,
pub flags: u32,
pub precision: Count,
pub width: Count,
}
/// Possible alignments that can be requested as part of a formatting directive.
#[derive(Copy, Clone, PartialEq, Eq)]
pub enum Alignment {
/// Indication that contents should be left-aligned.
Left,
/// Indication that contents should be right-aligned.
Right,
/// Indication that contents should be center-aligned.
Center,
/// No alignment was requested.
Unknown,
}
/// Used by [width](https://doc.rust-lang.org/std/fmt/#width) and [precision](https://doc.rust-lang.org/std/fmt/#precision) specifiers.
#[derive(Copy, Clone)]
pub enum Count {
/// Specified with a literal number, stores the value
Is(usize),
/// Specified using `$` and `*` syntaxes, stores the index into `args`
Param(usize),
/// Not specified
Implied,
}
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