go/ast: fix a few incorrect "an" articles

slice, type, and select should all go with "a", not "an", since they all
start with consonant sounds.

Change-Id: I57e96dcbdc571dc21e24096779f2f756ec81103e
Reviewed-on: https://go-review.googlesource.com/c/go/+/210124
Reviewed-by: Robert Griesemer <gri@golang.org>

diff --git a/src/go/ast/ast.go b/src/go/ast/ast.go
index 9e1da35287216d7c0bc7e8f3b3b7fdee4306858e..aca510f6a51db2a70ef1f8d94eedd304b4e3640c 100644 (file)
--- a/src/go/ast/ast.go
+++ b/src/go/ast/ast.go
@@ -292,7 +292,7 @@ type (
                Rbrack token.Pos // position of "]"
        }
 
-       // An SliceExpr node represents an expression followed by slice indices.
+       // A SliceExpr node represents an expression followed by slice indices.
        SliceExpr struct {
                X      Expr      // expression
                Lbrack token.Pos // position of "["
@@ -662,7 +662,7 @@ type (
                Body   *BlockStmt // CaseClauses only
        }
 
-       // An TypeSwitchStmt node represents a type switch statement.
+       // A TypeSwitchStmt node represents a type switch statement.
        TypeSwitchStmt struct {
                Switch token.Pos  // position of "switch" keyword
                Init   Stmt       // initialization statement; or nil
@@ -678,7 +678,7 @@ type (
                Body  []Stmt    // statement list; or nil
        }
 
-       // An SelectStmt node represents a select statement.
+       // A SelectStmt node represents a select statement.
        SelectStmt struct {
                Select token.Pos  // position of "select" keyword
                Body   *BlockStmt // CommClauses only