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string_list: add a new function, string_list_remove_duplicates()

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Add a function that deletes duplicate entries from a sorted
string_list.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2012-09-12 16:04:45 +02:00
committed by Junio C Hamano
parent eb5f0c7a61
commit 31d5451eed
5 changed files with 60 additions and 0 deletions
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17
t/t0063-string-list.sh
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@ -71,4 +71,21 @@ test_expect_success "test filter_string_list" '
test "x-" = "x$(test-string-list filter x1:x2 y)"
'
test_expect_success "test remove_duplicates" '
test "x-" = "x$(test-string-list remove_duplicates -)" &&
test "x" = "x$(test-string-list remove_duplicates "")" &&
test a = "$(test-string-list remove_duplicates a)" &&
test a = "$(test-string-list remove_duplicates a:a)" &&
test a = "$(test-string-list remove_duplicates a:a:a:a:a)" &&
test a:b = "$(test-string-list remove_duplicates a:b)" &&
test a:b = "$(test-string-list remove_duplicates a:a:b)" &&
test a:b = "$(test-string-list remove_duplicates a:b:b)" &&
test a:b:c = "$(test-string-list remove_duplicates a:b:c)" &&
test a:b:c = "$(test-string-list remove_duplicates a:a:b:c)" &&
test a:b:c = "$(test-string-list remove_duplicates a:b:b:c)" &&
test a:b:c = "$(test-string-list remove_duplicates a:b:c:c)" &&
test a:b:c = "$(test-string-list remove_duplicates a:a:b:b:c:c)" &&
test a:b:c = "$(test-string-list remove_duplicates a:a:a:b:b:b:c:c:c)"
'
test_done