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discard """
file: "ttempl2.nim"
line: 18
errormsg: "undeclared identifier: \'b\'"
"""
template declareInScope(x: expr, t: typeDesc): stmt =
var x: t
template declareInNewScope(x: expr, t: typeDesc): stmt =
# open a new scope:
block:
var x: t
declareInScope(a, int)
a = 42 # works, `a` is known here
declareInNewScope(b, int)
b = 42 #ERROR_MSG undeclared identifier: 'b'
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