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# vim: set ft=fish:
function never_runs
while false
end
end
function early_return
while true
return 2
end
end
function runs_once
set -l i 1
while test $i -ne 0 && set i (math $i - 1)
end
end
# this should return 1
never_runs; echo "Empty Loop in Function: $status"
# this should return 0
runs_once; echo "Runs Once: $status"
# this should return 2
early_return; echo "Early Return: $status"
logmsg Loops exit status handling
function set_status ; return $argv[1]; end
# The previous status is visible in the loop condition.
# This includes both the incoming status, and the last command in the
# loop body.
set_status 36
while begin
set -l saved $status
echo "Condition Status: $status"
set_status $saved
end
true
end
# The condition status IS visible in the loop body.
set_status 55
while true
echo "Body Status: $status"
break
end
# The status of the last command is visible in the loop condition
set_status 13
while begin
set -l saved $status
echo "Condition 2 Status: $saved"
test $saved -ne 5
end
set_status 5
end
# The status of the last command is visible outside the loop
set rem 5 7 11
while [ (count $rem) -gt 0 ]
set_status $rem[1]
set rem $rem[2..-1]
end
echo "Loop Exit Status: $status"
# Empty loops succeed.
false
while false; end
echo "Empty Loop Status: $status"
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