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|
#
# Test for placement of return expressions
#
errors = false
########################################################################
# return within foreach.
#
# This one will generate a warning, "statement not reached".
#
f() =
foreach(x => ..., 1 2 3)
return $x
i = $f
if $(equal $i, 1)
println($"f() = $i [SUCCESS]")
else
eprintln($"f() = $i [FAILURE]")
errors = true
export
########################################################################
# Another version, should not generate a warning.
#
f() =
foreach(x => ..., 1 2 3)
if $(ge $x, 2)
return $x
i = $f
if $(equal $i, 2)
println($"f() = $i [SUCCESS]")
else
eprintln($"f() = $i [FAILURE]")
errors = true
export
########################################################################
# Follow by another return.
#
f() =
foreach(x => ..., 1 2 3)
if $(ge $x, 2)
return $x
return 0
i = $f
if $(equal $i, 2)
println($"f() = $i [SUCCESS]")
else
eprintln($"f() = $i [FAILURE]")
errors = true
export
########################################################################
# Nathan's example
#
a: b
section
targs[] = 1 2 3
any-output-file(targs) =
foreach(x => ..., $(targs))
if $(ge $x, 2)
return $x
return 0
i = $(any-output-file $(targs))
if $(equal $i, 2)
println($"f() = $i [SUCCESS]")
else
eprintln($"f() = $i [FAILURE]")
errors = true
export
########################################################################
# Exit code
#
if $(errors)
exit 1
|
