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b586eafd3b
LINE INPUT will now use the faster method if passed a file handle that has been opened FOR BINARY. As such, the _BLINEINPUT command has been removed. qb64.bas now takes advantage of this for reading from '$include files, at least in Include Manager 1. Some tweaking of internal/source/main.txt was required to get things into a sane state, so I'm holing off changing the compiler any further so the auto-builder can make sure everything's smoothed over. Note: Everything should still compile as normal; I'm just being overcautious.
23 lines
1.1 KiB
Plaintext
23 lines
1.1 KiB
Plaintext
The '''DEFDBL''' statement defines all designated undefined variables AS [[DOUBLE]] variables instead of the [[SINGLE]] type default.
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{{PageSyntax}}
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:: DEFDBL firstletters
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* The first letters can be from A-Z or any other range.
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* You can also use commas for specific undefined variable first letters.
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* Variables [[DIM]]ensioned as another variable type or that use type suffixes are not defined otherwise.
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* '''Qbasic's IDE may add DEF statements before any [[SUB]] or [[FUNCTION]]. QB64(like QB) will change all variable types in subsequent sub-procedures to that default variable type without giving a [[ERROR Codes|"Parameter Type Mismatch"]] warning or adding the proper DEF statement to subsequent procedures! If you do not want that to occur, either remove that DEF statement or add the proper DEF type statements to subsequent procedures. May also affect [[$INCLUDE]] procedures!'''
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* '''Warning: Qbasic keyword names cannot be used as numerical variable names with or without the type suffix!'''
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''Example:'' DEFDBL A, F, H
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''See also:''
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* [[DEFSNG]], [[DEFLNG]], [[DEFINT]], [[DEFSTR]]
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* [[_DEFINE]]
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