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document usage of marshal.to; fixes #3150

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Araq 2018-09-03 09:44:44 +02:00
commit ef771cde1a
1 changed files with 11 additions and 0 deletions
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11
lib/pure/marshal.nim
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@ -280,6 +280,17 @@ proc `$$`*[T](x: T): string =
proc to*[T](data: string): T = proc to*[T](data: string): T =
## reads data and transforms it to a ``T``. ## reads data and transforms it to a ``T``.
runnableExamples:
type
Foo = object
id: int
bar: string
let x = Foo(id: 1, bar: "baz")
# serialize
let y = ($$x)
# deserialize back to type 'Foo':
let z = y.to[:Foo]
var tab = initTable[BiggestInt, pointer]() var tab = initTable[BiggestInt, pointer]()
loadAny(newStringStream(data), toAny(result), tab) loadAny(newStringStream(data), toAny(result), tab)