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io/pointer: update documentation examples

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Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2020-06-02 16:22:25 +02:00
parent fc290f3457
commit d489c20b84
1 changed files with 5 additions and 5 deletions
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io/pointer/doc.go
+5 -5
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@@ -20,7 +20,7 @@ For example, to set up a rectangular hit area:
r := image.Rectangle{...}
pointer.Rect(r).Add(ops)
pointer.InputOp{Key: h}.Add(ops)
pointer.InputOp{Tag: h}.Add(ops)
Note that areas compound: the effective area of multiple area
operations is the intersection of the areas.
@@ -37,12 +37,12 @@ For example:
var stack op.StackOp
var h1, h2 *Handler
stack.Push(ops)
pointer.InputOp{Key: h1}.Add(Ops)
stack := op.Push(ops)
pointer.InputOp{Tag: h1}.Add(Ops)
stack.Pop()
stack.Push(ops)
pointer.InputOp{Key: h2}.Add(ops)
stack = op.Push(ops)
pointer.InputOp{Tag: h2}.Add(ops)
stack.Pop()
implies a tree of two inner nodes, each with one pointer handler.