Struct syntax::ext::hygiene::NameAndSpan [] [src]

pub struct NameAndSpan {
    pub format: ExpnFormat,
    pub allow_internal_unstable: bool,
    pub allow_internal_unsafe: bool,
    pub span: Option<Span>,
}
🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Fields

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

The format with which the macro was invoked.

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Whether the macro is allowed to use #[unstable]/feature-gated features internally without forcing the whole crate to opt-in to them.

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Whether the macro is allowed to use unsafe internally even if the user crate has #![forbid(unsafe_code)].

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

The span of the macro definition itself. The macro may not have a sensible definition span (e.g. something defined completely inside libsyntax) in which case this is None.

Methods

impl NameAndSpan
[src]

[src]

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Trait Implementations

impl Hash for NameAndSpan
[src]

[src]

Feeds this value into the given [Hasher]. Read more

1.3.0
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Feeds a slice of this type into the given [Hasher]. Read more

impl Clone for NameAndSpan
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[src]

Returns a copy of the value. Read more

1.0.0
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Performs copy-assignment from source. Read more

impl Debug for NameAndSpan
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[src]

Formats the value using the given formatter.