25 lines
473 B
Nim
25 lines
473 B
Nim
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template withOpenFile(f, filename, mode: expr, actions: stmt): stmt =
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block:
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var f: TFile
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if openFile(f, filename, mode):
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try:
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actions
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finally:
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closeFile(f)
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else:
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quit("cannot open for writing: " & filename)
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withOpenFile(txt, "ttempl3.txt", fmWrite):
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writeln(txt, "line 1")
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txt.writeln("line 2")
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# Test zero argument template:
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template ha: expr = myVar[0]
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var
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myVar: array[0..1, int]
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ha = 1
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echo(ha)
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