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Diffstat (limited to 'cpp/017and-record')
| -rw-r--r-- | cpp/017and-record | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/cpp/017and-record b/cpp/017and-record new file mode 100644 index 00000000..a9a3c0a0 --- /dev/null +++ b/cpp/017and-record @@ -0,0 +1,27 @@ +// Support for records. +:(before "End Mu Types") +// We'll use this record as a running example, with two fields: an integer and +// a boolean. +int integer_boolean = Type_number["integer-boolean"] = Next_type_number++; +Type[integer_boolean].size = 2; +Type[integer_boolean].is_record = true; +vector<type_number> i; +i.push_back(integer); +Type[integer_boolean].elements.push_back(i); +vector<type_number> b; +b.push_back(boolean); +Type[integer_boolean].elements.push_back(b); + +// Records can be copied around with a single instruction just like integers, +// no matter how large they are. +:(scenario copy_multiple_locations) +recipe main [ + 1:integer <- copy 34:literal + 2:boolean <- copy 0:literal + 3:integer-boolean <- copy 1:integer-boolean +] ++run: ingredient 0 is 1 ++mem: location 1 is 34 ++mem: location 2 is 0 ++mem: storing in location 3 ++mem: storing in location 4 |