[#GROOVY-2036] There is no equivalent of Ruby's respond_to - you have to catch MissingMethodException

groovy

Created: 10/Aug/07 05:26 AM Updated: 16/Oct/07 09:01 AM

Component/s:

None

Affects Version/s:

1.1-beta-2

Fix Version/s:

1.1-rc-2

Time Tracking:

Not Specified

Description

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There is no equivalent of Ruby's respond_to - you have to catch MissingMethodException. E.g.

try {
value = value.toGroovy()
} catch(MissingMethodException) {}
value

instead of

if (value.respondTo("toGroovy")) {
value = value.toGroovy()
}
value

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Luke Daley added a comment - 12/Aug/07 02:34 AM

'respondsTo' reads more naturally. I would prefer the method to be called 'respondsTo' over 'respondTo'.

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Paul King added a comment - 16/Oct/07 09:01 AM

Duplicate of ~~GROOVY-2109~~.