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The Go programming language
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There is a hierarchy of location defined by loop depth: -1 = the heap 0 = function results 1 = local variables (and parameters) 2 = local variable declared inside a loop 3 = local variable declared inside a loop inside a loop etc In general if an address from loopdepth n is assigned to something in loop depth m < n, that indicates an extended lifetime of some form that requires a heap allocation. Function results can be local variables too, though, and so they don't actually fit into the hierarchy very well. Treat the address of a function result as level 1 so that if it is written back into a result, the address is treated as escaping. Fixes #8185. LGTM=iant R=iant CC=golang-codereviews https://golang.org/cl/108870044 |
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This is the source code repository for the Go programming language. For documentation about how to install and use Go, visit http://golang.org/ or load doc/install-source.html in your web browser. After installing Go, you can view a nicely formatted doc/install-source.html by running godoc --http=:6060 and then visiting http://localhost:6060/doc/install/source. Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file. -- Binary Distribution Notes If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this README). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install.html). You should also add the Go binary directory $GOROOT/bin to your shell's path. For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile: export GOROOT=$HOME/go export PATH=$PATH:$GOROOT/bin See doc/install.html for more details.