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- With OPTION _EXPLICIT you can avoid typos by having QB64 immediately warn in the Status area of new variables used without previous declaration.
- Enable OPTION _EXPLICIT temporarily even if a program source file doesn't contain the directive by specifying the -e switch when compiling via command line (qb64 -c file.bas -e).
Example: Avoiding simple typos with OPTION _EXPLICIT results shown in the QB64 IDE Status area.
QB64 IDE Status will show: Variable 'myVariabe' (SINGLE) not defined on line 4