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35 lines
1.3 KiB
35 lines
1.3 KiB
*funcref* create lazier function references. Pass arguments to create closure
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like function calls
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Author: Marc Weber, marco-oweber@gmx.de
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-----------------------------------------------------------------------
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HOWTO~
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Use *funcref#Function* to create a special dict called
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*faked-function-reference* which can be called by *funcref#Call*
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>
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{ 'faked_function_reference': 'file#FuncName' }
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< passing some arguments and / or self: >
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{ 'faked_function_reference': 'MyFunc', 'args': [1,2], 'self' : { a object ] }
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< You can also create lambda like functions which will be evaled: >
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{ 'faked_function_reference': 'return ARGS[1]' }
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REASONS ~
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Creating a Vim funcref pointing to an autoload function will make Vim source
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that file. This is not lazy enough. (Seems to be no longer true? Has this changed?)
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A Vim function reference neither allows attaching arguments nor self.
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Don't care about case of variables. Normally when using Vim function
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references you have to use variable names starting with an upper case letter
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(E704)
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Example: ~
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>
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let f = funcref#Function('return ARGS[0].ARGS[1].SELF["key"]',{'args':[3], 'self':{'key': 'value'} })
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echo funcref#Call(f, [2])
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" prints "32value"
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echo funcref#Call('no value')
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<
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echo funcref#Call(f, [2])
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