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54 lines
1.4 KiB
Plaintext
Executable File
54 lines
1.4 KiB
Plaintext
Executable File
# Copyright 2012-2014 Institut National des Sciences Appliquées de Lyon (INSA-Lyon)
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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module samples.ContextDecorator
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import gololang.Decorators
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let myContext = defaultContext():
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count(0):
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define("entry", |this, args| {
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this: count(this: count() + 1)
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println("hello:" + this: count())
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return args
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}):
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define("exit", |this, result| {
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require(result >= 3, "wrong value")
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println("goobye")
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return result
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}):
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define("catcher", |this, e| {
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println("Caught " + e)
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throw e
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}):
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define("finallizer", |this| {println("do some cleanup")})
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@withContext(myContext)
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function foo = |a, b| {
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println("Hard computation")
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return a + b
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}
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function main = |args| {
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println(foo(1,2))
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println("====")
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println(withContext(myContext)(|a| -> 2*a)(3))
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println("====")
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try {
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println(foo(1, 1))
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} catch (e) { }
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}
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