Ctor
The callback id.
Function parameters' type.
Function ID.
If the primitive has a generic parameter type, it becomes abstract
For convertions: Can this convertion be used without "as" ?
The base name of the function to call.
The base name of the function to call.
Return values.
A single primitive. \ Primitives are hard-coded grimoire's functions, they are used the same way as other functions.