Numeric seperator with `_`

[hugoclrd]

Context

Developers often have to deal with big numbers in Clarity.
Example in sip-031 boot contract

Problem

Big numbers are hard ot read. How many uSTXs is that:

(define-constant INITIAL_MINT_AMOUNT u200000000000000) 

Workaround

Developers often rely on comments

(define-constant INITIAL_MINT_AMOUNT u200000000000000) ;; 200,000,000 STX

Suggested improvement

Support for _ numeric separator for int and uint

(define-constant INITIAL_MINT_AMOUNT u200_000_000_000_000)

Related spec in other languages

• JS supports it (spec)
• Solidity supports it (spec)
• Rust supports it
• Go supports it