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| -rw-r--r-- | doc/manual.rst | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/manual.rst b/doc/manual.rst index 4c4b9c506..8206d8342 100644 --- a/doc/manual.rst +++ b/doc/manual.rst @@ -7912,6 +7912,7 @@ instructs the compiler to pass the type by value to procs: Vector {.bycopy.} = object x, y, z: float +The Nim compiler automatically determines whether a parameter is passed by value or by reference based on the parameter type's size. If a parameter must be passed by value or by reference, (such as when interfacing with a C library) use the bycopy or byref pragmas. Byref pragma ------------ |