diff options
Diffstat (limited to 'gruel/src/include')
| -rw-r--r-- | gruel/src/include/gruel/pmt.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gruel/src/include/gruel/pmt.h b/gruel/src/include/gruel/pmt.h index de0998b5e..ed337a885 100644 --- a/gruel/src/include/gruel/pmt.h +++ b/gruel/src/include/gruel/pmt.h @@ -237,6 +237,42 @@ pmt_t pmt_cadddr(pmt_t pair); /* * ------------------------------------------------------------------------ + * Tuples + * + * Store a fixed number of objects. Tuples are not modifiable, and thus + * are excellent for use as messages. Indexing is zero based. + * Access time to an element is O(1). + * ------------------------------------------------------------------------ + */ + +//! Return true if \p x is a tuple, othewise false. +bool pmt_is_tuple(pmt_t x); + +pmt_t pmt_make_tuple(); +pmt_t pmt_make_tuple(const pmt_t &e0); +pmt_t pmt_make_tuple(const pmt_t &e0, const pmt_t &e1); +pmt_t pmt_make_tuple(const pmt_t &e0, const pmt_t &e1, const pmt_t &e2); +pmt_t pmt_make_tuple(const pmt_t &e0, const pmt_t &e1, const pmt_t &e2, const pmt_t &e3); +pmt_t pmt_make_tuple(const pmt_t &e0, const pmt_t &e1, const pmt_t &e2, const pmt_t &e3, const pmt_t &e4); +pmt_t pmt_make_tuple(const pmt_t &e0, const pmt_t &e1, const pmt_t &e2, const pmt_t &e3, const pmt_t &e4, const pmt_t &e5); +pmt_t pmt_make_tuple(const pmt_t &e0, const pmt_t &e1, const pmt_t &e2, const pmt_t &e3, const pmt_t &e4, const pmt_t &e5, const pmt_t &e6); +pmt_t pmt_make_tuple(const pmt_t &e0, const pmt_t &e1, const pmt_t &e2, const pmt_t &e3, const pmt_t &e4, const pmt_t &e5, const pmt_t &e6, const pmt_t &e7); +pmt_t pmt_make_tuple(const pmt_t &e0, const pmt_t &e1, const pmt_t &e2, const pmt_t &e3, const pmt_t &e4, const pmt_t &e5, const pmt_t &e6, const pmt_t &e7, const pmt_t &e8); +pmt_t pmt_make_tuple(const pmt_t &e0, const pmt_t &e1, const pmt_t &e2, const pmt_t &e3, const pmt_t &e4, const pmt_t &e5, const pmt_t &e6, const pmt_t &e7, const pmt_t &e8, const pmt_t &e9); + +/*! + * If \p x is a vector or proper list, return a tuple containing the elements of x + */ +pmt_t pmt_to_tuple(const pmt_t &x); + +/*! + * Return the contents of position \p k of \p tuple. + * \p k must be a valid index of \p tuple. + */ +pmt_t pmt_tuple_ref(const pmt_t &tuple, size_t k); + +/* + * ------------------------------------------------------------------------ * Vectors * * These vectors can hold any kind of objects. Indexing is zero based. |