MacroData

rustc_resolve

Struct MacroData 

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pub(crate) struct MacroData {
    pub(crate) ext: Arc<SyntaxExtension>,
    pub(crate) nrules: usize,
    pub(crate) macro_rules: bool,
}

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§ext: Arc<SyntaxExtension>§nrules: usize§macro_rules: bool

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
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type Output = R

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type Error = !

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const ALIGN: usize

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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes