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fix #18007: std/json now serializes nan,inf,-inf as strings instead of invalid json (#18026)

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* fix #18007: std/json now serializes nan,inf,-inf as raw strings instead of invalid json

* fix roundtrip

* fix tests

* fix changelog

* simplify

* add runnableExamples

* fix typo [skip ci]
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Timothee Cour 2021-05-16 14:54:10 -07:00 • committed by GitHub
commit d83b25db1e
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5 changed files with 119 additions and 51 deletions
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lib/std/jsonutils.nim
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@ -12,6 +12,9 @@ runnableExamples:
let a = (1.5'f32, (b: "b2", a: "a2"), 'x', @[Foo(t: true, z1: -3), nil], [{"name": "John"}.newStringTable])
let j = a.toJson
assert j.jsonTo(typeof(a)).toJson == j
assert $[NaN, Inf, -Inf, 0.0, -0.0, 1.0, 1e-2].toJson == """["nan","inf","-inf",0.0,-0.0,1.0,0.01]"""
assert 0.0.toJson.kind == JFloat
assert Inf.toJson.kind == JString
import json, strutils, tables, sets, strtabs, options