diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -24373,6 +24373,32 @@ cons to store state information necessary for the propagation of a lazy list. If that state information consists of no more than two values, then no additional context object need be allocated. +.coNP Function @ lcons-force +.synb +.mets (lcons-force << object ) +.syne +.desc +The +.code lcons-function +recursively forces a lazy cons. + +If the argument +.meta object +is of +.code lcons +type, and has not been previously forced, then it is forced. The +associated lazy function is invoked. Then, +.code lcons-force +is recursively invoked on the +.code car +and +.code cdr +fields of the lazy cons. + +The +.code lcons-force +function returns its argument. + .coNP Macro @ lcons .synb .mets (lcons < car-expression << cdr-expression ) @@ -24524,6 +24550,12 @@ is true, then .meta throw-on-error-p shall be false, and vice versa. +Note: the +.code lcons-force +function may be used on the return value of +.code get-lines +to force the lazy list. + .coNP Macro @ close-lazy-streams .synb .mets (close-lazy-streams << body-form *) |