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| author | Steve Klabnik <steve@steveklabnik.com> | 2015-04-30 13:55:03 -0400 |
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| committer | Steve Klabnik <steve@steveklabnik.com> | 2015-04-30 15:10:58 -0400 |
| commit | 8c38dfd537eba8947d2397b9e3f4a56bdb0647fe (patch) | |
| tree | 766ede710256354a250271d847be65f5d7b87f96 /src/doc/trpl | |
| parent | 2f613bfaeb81ce25b116835a5f09750384b888c7 (diff) | |
| download | rust-8c38dfd537eba8947d2397b9e3f4a56bdb0647fe.tar.gz rust-8c38dfd537eba8947d2397b9e3f4a56bdb0647fe.zip | |
Describe (a,) vs (a) in docs
Fixes #24730
Diffstat (limited to 'src/doc/trpl')
| -rw-r--r-- | src/doc/trpl/primitive-types.md | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/doc/trpl/primitive-types.md b/src/doc/trpl/primitive-types.md index aca6e327c3b..e017e222c74 100644 --- a/src/doc/trpl/primitive-types.md +++ b/src/doc/trpl/primitive-types.md @@ -248,6 +248,14 @@ or “breaks up” the tuple, and assigns the bits to three bindings. This pattern is very powerful, and we’ll see it repeated more later. +You can disambiguate a single-element tuple from a value in parentheses with a +comma: + +``` +(0,); // single-element tuple +(0); // zero in parentheses +``` + ## Tuple Indexing You can also access fields of a tuple with indexing syntax: |