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cmd/compile: add more doc for Name.Defn

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As discussion in CL 313289, Name.Defn is also be set for variables
declared in type switch, or name function.

Change-Id: I3deb3d79fca269356e4432b77df7c7720a523674
Reviewed-on: https://go-review.googlesource.com/c/go/+/313889
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
This commit is contained in:
Cuong Manh Le 2021-04-27 08:30:41 +07:00
parent 15105dd4b5
commit 434e12f772
1 changed files with 3 additions and 1 deletions
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4
src/cmd/compile/internal/ir/name.go
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@ -49,7 +49,9 @@ type Name struct {
PkgName *PkgName // real package for import . names
// For a local variable (not param) or extern, the initializing assignment (OAS or OAS2).
// For a closure var, the ONAME node of the outer captured variable
// For a closure var, the ONAME node of the outer captured variable.
// For the case-local variables of a type switch, the type switch guard (OTYPESW).
// For the name of a function, points to corresponding Func node.
Defn Node
// The function, method, or closure in which local variable or param is declared.