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4 changed files with 12 additions and 12 deletions
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@ -107,7 +107,7 @@ Unchecked pragma
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----------------
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----------------
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The ``unchecked`` pragma can be used to mark a named array as ``unchecked``
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The ``unchecked`` pragma can be used to mark a named array as ``unchecked``
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meaning its bounds are not checked. This is often useful when one wishes to
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meaning its bounds are not checked. This is often useful when one wishes to
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implement his own flexibly sized arrays. Additionally an unchecked array is
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implement their own flexibly sized arrays. Additionally an unchecked array is
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translated into a C array of undetermined size:
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translated into a C array of undetermined size:
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.. code-block:: nim
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.. code-block:: nim
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10
doc/tut1.txt
10
doc/tut1.txt
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@ -333,8 +333,8 @@ The while statement is a simple looping construct:
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name = readLine(stdin)
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name = readLine(stdin)
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# no ``var``, because we do not declare a new variable here
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# no ``var``, because we do not declare a new variable here
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The example uses a while loop to keep asking the user for his name, as long as
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The example uses a while loop to keep asking the user for their name, as long
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he types in nothing (only presses RETURN).
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as the user types in nothing (only presses RETURN).
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For statement
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For statement
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@ -545,9 +545,9 @@ procedures are defined with the ``proc`` keyword:
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echo("I think you know what the problem is just as well as I do.")
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echo("I think you know what the problem is just as well as I do.")
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This example shows a procedure named ``yes`` that asks the user a ``question``
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This example shows a procedure named ``yes`` that asks the user a ``question``
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and returns true if he answered "yes" (or something similar) and returns
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and returns true if they answered "yes" (or something similar) and returns
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false if he answered "no" (or something similar). A ``return`` statement leaves
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false if they answered "no" (or something similar). A ``return`` statement
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the procedure (and therefore the while loop) immediately. The
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leaves the procedure (and therefore the while loop) immediately. The
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``(question: string): bool`` syntax describes that the procedure expects a
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``(question: string): bool`` syntax describes that the procedure expects a
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parameter named ``question`` of type ``string`` and returns a value of type
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parameter named ``question`` of type ``string`` and returns a value of type
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``bool``. ``Bool`` is a built-in type: the only valid values for ``bool`` are
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``bool``. ``Bool`` is a built-in type: the only valid values for ``bool`` are
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@ -210,7 +210,7 @@ proc getMaxMem(a: var MemRegion): int =
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proc llAlloc(a: var MemRegion, size: int): pointer =
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proc llAlloc(a: var MemRegion, size: int): pointer =
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# *low-level* alloc for the memory managers data structures. Deallocation
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# *low-level* alloc for the memory managers data structures. Deallocation
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# is done at he end of the allocator's life time.
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# is done at the end of the allocator's life time.
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if a.llmem == nil or size > a.llmem.size:
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if a.llmem == nil or size > a.llmem.size:
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# the requested size is ``roundup(size+sizeof(LLChunk), PageSize)``, but
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# the requested size is ``roundup(size+sizeof(LLChunk), PageSize)``, but
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# since we know ``size`` is a (small) constant, we know the requested size
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# since we know ``size`` is a (small) constant, we know the requested size
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@ -14,7 +14,7 @@ else:
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{.pragma: codegenType, importc.}
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{.pragma: codegenType, importc.}
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type
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type
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# This should be he same as ast.TTypeKind
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# This should be the same as ast.TTypeKind
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# many enum fields are not used at runtime
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# many enum fields are not used at runtime
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TNimKind = enum
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TNimKind = enum
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tyNone,
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tyNone,
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