Struct rustc_hir::hir::FnDecl

source ·
pub struct FnDecl<'hir> {
    pub inputs: &'hir [Ty<'hir>],
    pub output: FnRetTy<'hir>,
    pub c_variadic: bool,
    pub implicit_self: ImplicitSelfKind,
}
Expand description

Represents the header (not the body) of a function declaration.

Fields

inputs: &'hir [Ty<'hir>]

The types of the function’s parameters.

Additional argument data is stored in the function’s body.

output: FnRetTy<'hir>c_variadic: boolimplicit_self: ImplicitSelfKind

Does the function have an implicit self?

Trait Implementations

Formats the value using the given formatter. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.

Layout

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: 40 bytes