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| author | Robert Griesemer <gri@golang.org> | 2008-09-26 16:41:50 -0700 |
|---|---|---|
| committer | Robert Griesemer <gri@golang.org> | 2008-09-26 16:41:50 -0700 |
| commit | a8d642e2f5b79e958ac7ea21dbf5e4e3d1372167 (patch) | |
| tree | d68321154ff1a7ea4309a45465a689e05d8a8327 /doc | |
| parent | 450cd08c1a3e4a28d0e3ab64ffcf360e36192a6d (diff) | |
| download | go-a8d642e2f5b79e958ac7ea21dbf5e4e3d1372167.tar.gz | |
- added language with respect to init() restrictions
R=r
DELTA=10 (9 added, 0 deleted, 1 changed)
OCL=16016
CL=16016
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/go_spec.txt | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/doc/go_spec.txt b/doc/go_spec.txt index 7b631ec04..46f0bb830 100644 --- a/doc/go_spec.txt +++ b/doc/go_spec.txt @@ -2499,8 +2499,17 @@ functions defined in its source. Since a package may contain more than one source file, there may be more than one init() function, but only one per source file. +Initialization code may contain "go" statements, but the functions +they invoke do not begin execution until initialization is complete. +Therefore, all initialization code is run in a single thread of +execution. + +Furthermore, an "init()" function cannot be referred to from anywhere +in a program. In particular, "init()" cannot be called explicitly, nor +can a pointer to "init" be assigned to a function variable). + If a package has imports, the imported packages are initialized -before initializing the package itself. If multiple packages import +before initializing the package itself. If multiple packages import a package P, P will be initialized only once. The importing of packages, by construction, guarantees that there can |