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reflect: add a couple of sentences explaining how Methods operate.

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R=rsc, gri, rsc1, bsiegert
CC=golang-dev
https://golang.org/cl/4183053
This commit is contained in:
Rob Pike 2011-02-16 11:01:21 -08:00
parent 65ece70812
commit be560e0401
1 changed files with 11 additions and 5 deletions
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16
src/pkg/reflect/type.go
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@ -235,10 +235,16 @@ type Type interface {
// Kind returns the specific kind of this type.
Kind() Kind
// For non-interface types, Method returns the i'th method with receiver T.
// For interface types, Method returns the i'th method in the interface.
// NumMethod returns the number of such methods.
// Method returns the i'th method in the type's method set.
//
// For a non-interface type T or *T, the returned Method's Type and Func
// fields describe a function whose first argument is the receiver.
//
// For an interface type, the returned Method's Type field gives the
// method signature, without a receiver, and the Func field is nil.
Method(int) Method
// NumMethods returns the number of methods in the type's method set.
NumMethod() int
uncommon() *uncommonType
}
@ -444,7 +450,7 @@ func (t *FuncType) Out(i int) Type {
// NumOut returns the number of function output parameters.
func (t *FuncType) NumOut() int { return len(t.out) }
// Method returns the i'th interface method.
// Method returns the i'th method in the type's method set.
func (t *InterfaceType) Method(i int) (m Method) {
if i < 0 || i >= len(t.methods) {
return
@ -458,7 +464,7 @@ func (t *InterfaceType) Method(i int) (m Method) {
return
}
// NumMethod returns the number of interface methods.
// NumMethod returns the number of interface methods in the type's method set.
func (t *InterfaceType) NumMethod() int { return len(t.methods) }
// Key returns the map key type.