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Language Reference Function Reference Including Source Files Comments Issuing Shell Commands Matrix Multiplication Information About Variables Elementary Functions Advanced Array Indexing Index Range Functions Logical Functions Interpolation and Lookup Functions Sorting Transposing Manipulating Strings Generating Simple Meshes Using Pointers Instancing Data Structures Reshaping Arrays I/O Reference | # Yorick Function Reference ## Instancing Data Structures Any data type type_name - basic or defined by `struct` - serves as a type converter to that data type. A nil argument is converted to a scalar zero of the specified type. Keywords matching the member names can be used to assign non-zero values to individual members:
`type_name()` | scalar instance of type_name, zero value
`type_name(memb_name_1=expr_1,...)` | scalar type_name
The `.` operator extracts a member of a data structure. The `->` operator dereferences a pointer to the data structure before extracting the member. For example: `struct Mesh { pointer x, y; long imax, jmax; }` `mesh = Mesh(x=&xm,imax=dimsof(xm)(1),jmax=dimsof(xm)(2));` `mesh.y = &ym;` `mptr = &mesh;` `print, mesh.x(2,1:10), mptr->y(2,1:10);`