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Compiler implementation of the D programming language.

Source: safe.d

bool checkUnsafeAccess(Scope* sc, Expression e, bool readonly, bool printmsg);
Check for unsafe access in @safe code: 1. read overlapped pointers 2. write misaligned pointers 3. write overlapped storage classes Print error if unsafe.
Scope* sc scope
Expression e expression to check
bool readonly if access is read-only
bool printmsg print error message if true
true if error
bool isSafeCast(Expression e, Type tfrom, Type tto);
Determine if it is @safe to cast e from tfrom to tto.
Expression e expression to be cast
Type tfrom type of e
Type tto type to cast e to
true if @safe