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Minor update to macros.

This commit is contained in:
Eric Huss 2021-06-15 14:44:59 -07:00
parent 105a9433b9
commit 93f9325701
1 changed files with 3 additions and 2 deletions
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src/macros.md
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@ -7,7 +7,8 @@ syntax: `some_extension!(...)`.
There are two ways to define new macros:
* [Macros by Example] define new syntax in a higher-level, declarative way.
* [Procedural Macros] can be used to implement custom derive.
* [Procedural Macros] define function-like macros, custom derives, and custom
attributes using functions that operate on input tokens.
## Macro Invocation
@ -28,7 +29,7 @@ There are two ways to define new macros:
> &nbsp;&nbsp; | [_SimplePath_] `!` `[` _TokenTree_<sup>\*</sup> `]` `;`\
> &nbsp;&nbsp; | [_SimplePath_] `!` `{` _TokenTree_<sup>\*</sup> `}`
A macro invocation executes a macro at compile time and replaces the
A macro invocation expands a macro at compile time and replaces the
invocation with the result of the macro. Macros may be invoked in the
following situations: