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# An in-place selection sort.
selection_sort = (list) ->
len = list.length
# For each item in the list.
for i in [0...len]
# Set the minimum to this position.
min = i
# Check the rest of the array to see if anything is smaller.
min = k for v, k in list[i+1...] when v < list[min]
# Swap if a smaller item has been found.
[list[i], list[min]] = [list[min], list[i]] if i isnt min
# The list is now sorted.
list
# Test the function.
console.log selection_sort([3, 2, 1]).join(' ') is '1 2 3'
console.log selection_sort([9, 2, 7, 0, 1]).join(' ') is '0 1 2 7 9'
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