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Diffstat (limited to 'doc/destructors.rst')
| -rw-r--r-- | doc/destructors.rst | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/destructors.rst b/doc/destructors.rst index 66f1043b3..e48e360dd 100644 --- a/doc/destructors.rst +++ b/doc/destructors.rst @@ -184,8 +184,14 @@ The general pattern in ``=copy`` looks like: The ``=copy`` proc can be marked with the ``{.error.}`` pragma. Then any assignment -that otherwise would lead to a copy is prevented at compile-time. +that otherwise would lead to a copy is prevented at compile-time. This looks like: +.. code-block:: nim + + proc `=copy`(dest: var T; source: T) {.error.} + +but a custom error message (e.g., ``{.error: "custom error".}``) will not be emitted +by the compiler. Notice that there is no ``=`` before the ``{.error.}`` pragma. Move semantics ============== |