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author | Keith Randall <khr@golang.org> | 2014-05-23 17:39:58 -0700 |
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committer | Keith Randall <khr@golang.org> | 2014-05-23 17:39:58 -0700 |
commit | 4b3019b17ce8fcf0b9fab916897aaee9b24ce7fc (patch) | |
tree | e529459e2ceebe48b7482ab93d854e65e30bf5c1 | |
parent | 05cc78d8d32f6af6fc4373e10da0b4a12f0a1ad4 (diff) | |
download | go-4b3019b17ce8fcf0b9fab916897aaee9b24ce7fc.tar.gz go-4b3019b17ce8fcf0b9fab916897aaee9b24ce7fc.zip |
doc: mention that reflect.SetMapIndex no longer panics
when deleting from a nil map. See issue 8051.
LGTM=r
R=golang-codereviews, r, khr
CC=golang-codereviews
https://golang.org/cl/96540051
-rw-r--r-- | doc/go1.3.html | 6 | ||||
-rw-r--r-- | src/pkg/reflect/value.go | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/doc/go1.3.html b/doc/go1.3.html index d98cdf629f..9a9f9f8d46 100644 --- a/doc/go1.3.html +++ b/doc/go1.3.html @@ -510,6 +510,12 @@ when the binary's file name contains no path separators. </li> <li> +The <a href="/pkg/reflect/#Value.SetMapIndex"><code>SetMapIndex</code></a> +function in the <a href="/pkg/reflect/"><code>reflect</code></a> package +no longer panics when deleting from a <code>nil</code> map. +</li> + +<li> If the main goroutine calls <a href="/pkg/runtime/#Goexit"><code>runtime.Goexit</code></a> and all other goroutines finish execution, the program now always crashes, diff --git a/src/pkg/reflect/value.go b/src/pkg/reflect/value.go index 2cbda3983c..576cbc3984 100644 --- a/src/pkg/reflect/value.go +++ b/src/pkg/reflect/value.go @@ -1620,6 +1620,7 @@ func (v Value) SetCap(n int) { // SetMapIndex sets the value associated with key in the map v to val. // It panics if v's Kind is not Map. // If val is the zero Value, SetMapIndex deletes the key from the map. +// Otherwise if v holds a nil map, SetMapIndex will panic. // As in Go, key's value must be assignable to the map's key type, // and val's value must be assignable to the map's value type. func (v Value) SetMapIndex(key, val Value) { |