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Proposal: Support parsing JSON number as RawNumber type

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
25/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Stale
Tech stack
cpp

Research direction

No source files or tests are named. Review implementation branch #60 first, then inspect the existing JSON value and number-parsing APIs; completion means implementing the listed RawNumber enum and type, validated lifecycle and comparison operations, and distinct IsRawNumber behavior.

Written by the indexing model from the issue text.

Description

proposal

In order to parse JSON numbers with full precision and improve parsing performance, we propose adding a new RawNumber type for representing parsed JSON number values.

The design of this feature includes the following steps:

  1. Add a new kRawNumber enum to represent JSON number values, and add a RawNumberclass to distinguish it from stringview type.
  2. Provide support for construct, modifying, copying, and comparing RawNumber values. Especially, validate the number in construct and set API, because the number is from the user and maybe invalid numbers
  3. Use IsRawNumber to check for the presence of a RawNumber, while IsNumber continues to check for numeric types.

Implementation branch: #60
Status: To be reviewed.

Dominant language
C++
Stars
977
Forks
128
PR merge metrics
No merged PRs in 30d

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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