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Implement DataTypeKind for usize and isize

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This allows direct use of the size types in `imgui-rs` functions, like `Slider`s. Previously, they had to be cast, passed in, then cast back. This change allows for direct use (no casts necessary)
This commit is contained in:
ararem 2023-01-04 13:00:42 +01:00
parent b1e66d050e
commit 9b614eaae3
1 changed files with 40 additions and 0 deletions
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40
imgui/src/internal.rs
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@ -165,3 +165,43 @@ unsafe impl DataTypeKind for f32 {
unsafe impl DataTypeKind for f64 { unsafe impl DataTypeKind for f64 {
const KIND: DataType = DataType::F64; const KIND: DataType = DataType::F64;
} }
unsafe impl DataTypeKind for usize {
#[cfg(target_pointer_width = "16")]
const KIND: DataType = DataType::U16;
#[cfg(target_pointer_width = "32")]
const KIND: DataType = DataType::U32;
#[cfg(target_pointer_width = "64")]
const KIND: DataType = DataType::U64;
// Fallback for when we are on a weird system width
//
#[cfg(not(any(
target_pointer_width = "16",
target_pointer_width = "32",
target_pointer_width = "64"
)))]
compile_error!("cannot impl DataTypeKind for usize: unsupported target pointer width. supported values are 16, 32, 64");
}
unsafe impl DataTypeKind for isize {
#[cfg(target_pointer_width = "16")]
const KIND: DataType = DataType::I16;
#[cfg(target_pointer_width = "32")]
const KIND: DataType = DataType::I32;
#[cfg(target_pointer_width = "64")]
const KIND: DataType = DataType::I64;
// Fallback for when we are on a weird system width
//
#[cfg(not(any(
target_pointer_width = "16",
target_pointer_width = "32",
target_pointer_width = "64"
)))]
compile_error!("cannot impl DataTypeKind for isize: unsupported target pointer width. supported values are 16, 32, 64");
}