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| author | Rob Pike <r@golang.org> | 2018-10-11 13:21:54 +1100 |
|---|---|---|
| committer | Rob Pike <r@golang.org> | 2018-10-11 02:32:47 +0000 |
| commit | 9a9dc36f97bf57e186ab8183a27927abb9aecd61 (patch) | |
| tree | 5e610b53dfa713c89f0aa52184c29bb7495aa23f /src/text | |
| parent | daf6f254336844ad8cf538640d81f0193988b62a (diff) | |
| download | go-git-9a9dc36f97bf57e186ab8183a27927abb9aecd61.tar.gz | |
text/template: explain that integer constants can overflow
This behavior is the same as in Go: constants can be coerced to int
and whether overflow occurs depends on how big an int is, but
this surprises people sometimes, so document it again here.
Fixes #25833.
Change-Id: I557995f1a1e8e871b21004953923d16f36cb9037
Reviewed-on: https://go-review.googlesource.com/c/141378
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Diffstat (limited to 'src/text')
| -rw-r--r-- | src/text/template/doc.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/text/template/doc.go b/src/text/template/doc.go index 4b243067b0..0179dec5c3 100644 --- a/src/text/template/doc.go +++ b/src/text/template/doc.go @@ -142,7 +142,9 @@ An argument is a simple value, denoted by one of the following. - A boolean, string, character, integer, floating-point, imaginary or complex constant in Go syntax. These behave like Go's untyped - constants. + constants. Note that, as in Go, whether a large integer constant + overflows when assigned or passed to a function can depend on whether + the host machine's ints are 32 or 64 bits. - The keyword nil, representing an untyped Go nil. - The character '.' (period): . |