Class in macro compiler

`Attr`

class Attr

Import

use macro::{Attr};

#[name(args)] on a declaration, field or variant.

Fields#

Field	Type	Description
`name`	`string`
`args`	`Vec<AttrArg>`

Name	Description
`src`	The attribute as written: `#[name(key = "v", 2)]`.
`has`	True when the attribute has an argument named `key`, or a bare `key`.
`arg`	Value of the `key = value` argument, or `fallback`.

Code: Generated coil source: declarations, an expression, statements or a type.
Ident: A name as written in source.
Expr: A function-style macro argument as written: f(1), a + b, "text".
TypeRef: A type annotation as written (not resolved): Vec<int>, json::Value.
AttrArg: One key = value (or positional value, with key == "") attribute argument.
Field: A class field, or a field of a record enum variant.
Variant: One enum variant.
TypeDecl: A class or enum declaration handed to a derive or attribute macro.