dove-young
dove-young
/ loop-through-a-map-by-each-break-try.groovy
Created
August 23, 2019 09:09
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| #!/usr/bin/groovy | |
| s = [ | |
| 'a': '1', | |
| 'b': '2', | |
| 'c': '3', | |
| 'd': '4', | |
| 'e': '5' | |
| ] | |
| p = [ 'c', 'd' ] |
dove-young
/ loop-through-a-map-by-each-return.groovy
Created
August 23, 2019 08:58
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| #!/usr/bin/groovy | |
| s = [ | |
| 'a': '1', | |
| 'b': '2', | |
| 'c': '3', | |
| 'd': '4', | |
| 'e': '5' | |
| ] | |
| p = [ 'c', 'd' ] |
dove-young
/ loop-through-a-map-by-each-break.groovy
Created
August 23, 2019 08:46
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| #!/usr/bin/groovy | |
| s = [ | |
| 'a': '1', | |
| 'b': '2', | |
| 'c': '3', | |
| 'd': '4', | |
| 'e': '5' | |
| ] | |
| p = [ 'c', 'd' ] |
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| #!/usr/bin/groovy | |
| s = [ | |
| 'a': '1', | |
| 'b': '2', | |
| 'c': '3', | |
| 'd': '4', | |
| 'e': '5' | |
| ] | |
| p = [ 'c', 'd' ] |
dove-young
/ loop-through-a-map-by-for-break.groovy
Created
August 23, 2019 08:25
loop-through-a-map-by-for
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| #!/usr/bin/groovy | |
| s = [ | |
| 'a': '1', | |
| 'b': '2', | |
| 'c': '3', | |
| 'd': '4', | |
| 'e': '5' | |
| ] | |
| p = [ 'c', 'd' ] |
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| #!/usr/bin/groovy | |
| s = "something" | |
| t = "${s} else" | |
| println t //something else | |
| println s.getClass().name //java.lang.String | |
| Map m = [s: t] | |
| println m[s].getClass().name //org.codehaus.groovy.runtime.NullObject | |
| println m[s] //null | |
| m.each{k, v-> |
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| #!/usr/bin/groovy | |
| s = "something" | |
| t = "${s} else" | |
| println "${s}".getClass().name //org.codehaus.groovy.runtime.GStringImpl | |
| Map mm = ["${s}": "${t}"] | |
| println mm["${s}"].getClass().name //org.codehaus.groovy.runtime.NullObject | |
| println mm["${s}"] //null |
dove-young
/ string-map-2.groovy
Created
July 19, 2019 07:05
workaround org.codehaus.groovy.runtime.NullObject
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| s = "something" | |
| t = "${s} else" | |
| Map m = [:] // [s: t] | |
| m[s] = t | |
| println m[s].getClass().name //org.codehaus.groovy.runtime.GStringImpl | |
| println m[s] //something else |
dove-young
/ string-map.groovy
Last active
July 19, 2019 07:28
String Map org.codehaus.groovy.runtime.NullObject
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| #!/usr/bin/groovy | |
| s = "something" | |
| t = "${s} else" | |
| println t //something else | |
| println s.getClass().name //java.lang.String | |
| Map m = [s: t] | |
| println m[s].getClass().name //org.codehaus.groovy.runtime.NullObject | |
| println m[s] //null |
dove-young
/ println.groovy
Created
July 19, 2019 05:49
No signature of method: static println.getAt()
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| #!/usr/bin/groovy | |
| s = "something" | |
| t = "something else" | |
| //println s // something | |
| //println t // something else | |
| //println s, t // failed with exceptions | |
| println [s, t] |
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