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Re-added is_def(){

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Revar Desmera 2019-05-12 10:59:59 -07:00
parent cdaeb136d0
commit b1c7e71294
1 changed files with 8 additions and 0 deletions
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8
compat.scad
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@ -21,6 +21,14 @@
function default(v,dflt=undef) = is_undef(v)? dflt : v;
// Function: is_def()
// Usage:
// is_def(v)
// Description:
// Returns true if `v` is not `undef`. False if `v==undef`.
function is_def(v) = !is_undef(v);
// Function: is_vector()
// Usage:
// is_vector(v)