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Diffstat (limited to 'src/nvim/lib/kvec.h')
| -rw-r--r-- | src/nvim/lib/kvec.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/nvim/lib/kvec.h b/src/nvim/lib/kvec.h index 584282d773..ee1b890cb9 100644 --- a/src/nvim/lib/kvec.h +++ b/src/nvim/lib/kvec.h @@ -62,7 +62,16 @@ #define kv_pop(v) ((v).items[--(v).size]) #define kv_size(v) ((v).size) #define kv_max(v) ((v).capacity) -#define kv_last(v) kv_A(v, kv_size(v) - 1) +#define kv_Z(v, i) kv_A(v, kv_size(v) - (i) - 1) +#define kv_last(v) kv_Z(v, 0) + +/// Drop last n items from kvec without resizing +/// +/// Previously spelled as `(void)kv_pop(v)`, repeated n times. +/// +/// @param[out] v Kvec to drop items from. +/// @param[in] n Number of elements to drop. +#define kv_drop(v, n) ((v).size -= (n)) #define kv_resize(v, s) \ ((v).capacity = (s), \ |