diff options
| author | Thomas White <taw@physics.org> | 2021-01-30 12:04:51 +0100 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2021-01-30 12:10:32 +0100 |
| commit | c0d903c2e16eccc444ea95187a02f3e0dfe639ae (patch) | |
| tree | 1ac6b8dc7b8216e0af02da13fb9ba86242fd6eed /guile | |
| parent | 864c928d6ca8f356c2813f89659d3e3549c170d6 (diff) | |
flatten-sublists: Preserve order
Diffstat (limited to 'guile')
| -rw-r--r-- | guile/starlet/base.scm | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/guile/starlet/base.scm b/guile/starlet/base.scm index f64ea51..780ff44 100644 --- a/guile/starlet/base.scm +++ b/guile/starlet/base.scm @@ -566,10 +566,14 @@ (define (flatten-sublists l) + + (define (listify a) + (if (list? a) + a + (list a))) + (fold (lambda (a prev) - (if (list? a) - (append a prev) - (cons a prev))) + (append prev (listify a))) '() l)) |