dmd.canthrow

Perform checks for nothrow.

Specification: Nothrow Functions

Authors

License

Boost License 1.0

Source: canthrow.d

Documentation: https://dlang.org/phobos/dmd_canthrow.html

Coverage: https://codecov.io/gh/dlang/dmd/src/master/src/dmd/canthrow.d

CT

Declaration

enum CT: BE;
Status indicating what kind of throwable might be caused by an expression.

Discussion

This is a subset of BE restricted to the values actually used by canThrow.
- none
  
  Declaration
  
  none
  
  Never throws an Exception or Throwable
- exception
  
  Declaration
  
  exception
  
  Might throw an Exception
canThrow

Declaration

BE canThrow(Expression e, FuncDeclaration func, bool mustNotThrow);

Returns true if the expression may throw exceptions. If 'mustNotThrow' is true, generate an error if it throws