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builtin: document delete

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Fixes #2434.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5370045
This commit is contained in:
Rob Pike 2011-11-09 10:49:41 -08:00
parent 7a6a9755a9
commit e99f68f064
1 changed files with 11 additions and 1 deletions
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12
src/pkg/builtin/builtin.go
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@ -91,6 +91,11 @@ type rune rune
// invocation. // invocation.
type Type int type Type int
// Type1 is here for the purposes of documentation only. It is a stand-in
// for any Go type, but represents the same type for any given function
// invocation.
type Type1 int
// IntegerType is here for the purposes of documentation only. It is a stand-in // IntegerType is here for the purposes of documentation only. It is a stand-in
// for any integer type: int, uint, int8 etc. // for any integer type: int, uint, int8 etc.
type IntegerType int type IntegerType int
@ -119,6 +124,11 @@ func append(slice []Type, elems ...Type) []Type
// len(src) and len(dst). // len(src) and len(dst).
func copy(dst, src []Type) int func copy(dst, src []Type) int
// The delete built-in function deletes the element with the specified key
// (m[key]) from the map. If there is no such element, delete is a no-op.
// If m is nil, delete panics.
func delete(m map[Type]Type1, key Type)
// The len built-in function returns the length of v, according to its type: // The len built-in function returns the length of v, according to its type:
// Array: the number of elements in v. // Array: the number of elements in v.
// Pointer to array: the number of elements in *v (even if v is nil). // Pointer to array: the number of elements in *v (even if v is nil).
@ -171,7 +181,7 @@ func complex(r, i FloatType) ComplexType
// The return value will be floating point type corresponding to the type of c. // The return value will be floating point type corresponding to the type of c.
func real(c ComplexType) FloatType func real(c ComplexType) FloatType
// The imaginary built-in function returns the imaginary part of the complex // The imag built-in function returns the imaginary part of the complex
// number c. The return value will be floating point type corresponding to // number c. The return value will be floating point type corresponding to
// the type of c. // the type of c.
func imag(c ComplexType) FloatType func imag(c ComplexType) FloatType