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layout_is_noundef

rustc_target::callconv

Function layout_is_noundef 

Source 
fn layout_is_noundef<'a, Ty, C>(layout: TyAndLayout<'a, Ty>, cx: &C) -> bool
where
    Ty: TyAbiInterface<'a, C> + Copy,
    C: HasDataLayout,
Expand description

Determines whether layout contains no uninit bytes (no padding, no unions), using only the computed layout.

Conservative: returns false for anything it cannot prove fully initialized, including multi-variant enums and SIMD vectors.