diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 62 |
1 files changed, 61 insertions, 1 deletions
@@ -12804,6 +12804,9 @@ defined by \*(TX programs. .mets (sock-peer << socket ) .mets (carray-sub < carray >> [ from <> [ to ]]) .mets (sub-buf < buf >> [ from <> [ to ]]) +.mets (left << node ) +.mets (right << node ) +.mets (key << node ) .onom .NP* Built-In Place-Mutating Operators @@ -45215,11 +45218,15 @@ if is a tree node. Otherwise, it returns .codn nil . -.coNP Functions @, key @ left and @ right +.coNP Accessors @, key @ left and @ right .synb .mets (key << node ) .mets (left << node ) .mets (right << node ) +.mets (set (car << object ) << new-value ) +.mets (set (key << node ) << new-key ) +.mets (set (left << node ) << new-left ) +.mets (set (right << node ) << new-right ) .syne .desc The @@ -45232,6 +45239,59 @@ functions retrieve the corresponding fields of the object, which must be of type .codn tnode . +Forms based on the +.codn key , +.code left +and +.code right +symbol are defined as syntactic places. +Assigning a value +.code v +to +.code "(key n)" +using the +.code set +operator, as in +.codn "(set (key n) v)" , +is equivalent to +.code "(set-key n v)" +except that the value of the expression is +.code v +rather than +.codn n . +Similar statements hold true for +.code left +and +.code right +in relation to +.code set-left +and +.codn set-right . + +.coNP Functions @, set-key @ set-left and @ set-right +.synb +.mets (set-key < node << new-key ) +.mets (set-left < node << new-left ) +.mets (set-right < node << new-right ) +.syne +.desc +The +.codn set-key , +.code set-left +and +.code set-right +functions replace the corresponding fields of +.meta node +with new values. + +The +.meta node +argument must be of type +.codn tnode . + +These functions all return +.metn node . + .coNP Function @ copy-tnode .synb .mets (copy-tnode << node ) |