Chqrles 0xChqrles

## array.cairo
use array::SpanTrait;
use zeroable::Zeroable;

trait SpanExtTrait<T> {
  fn is_deeply_empty(self: Span<T>) -> bool;
}

impl SpanExtImpl<T, impl TZeroable: Zeroable<T>, impl TCopy: Copy<T>> of SpanExtTrait<T> {
  fn is_deeply_empty(mut self: Span<T>) -> bool {
    match self.pop_front() {

## c-score.md

      
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                0xChqrles
                / c-score.md
            
            
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              August 24, 2023 18:38
            
              
                [RULES] C-Score formule
              
          
    EXPLICATION DE LA FORMULE DU C-SCORE

Prenons l'exemple de la collection suivante:
Le Règlement - Common #25

Le Règlement - Common #400

Le Règlement - Common #2500
Zinée - Common #25

Zinée - Common #100

  
## uint256_memset.cairo
from starkware.cairo.common.uint256 import Uint256

func uint256_memset(dst: Uint256*, value: Uint256, n: felt):
  struct LoopFrame:
    member dst : Uint256*
  end

  if n == 0:
    return ()
  end
	use array::SpanTrait;
	use zeroable::Zeroable;

	trait SpanExtTrait<T> {
	fn is_deeply_empty(self: Span<T>) -> bool;
	}

	impl SpanExtImpl<T, impl TZeroable: Zeroable<T>, impl TCopy: Copy<T>> of SpanExtTrait<T> {
	fn is_deeply_empty(mut self: Span<T>) -> bool {
	match self.pop_front() {
	from starkware.cairo.common.uint256 import Uint256

	func uint256_memset(dst: Uint256*, value: Uint256, n: felt):
	struct LoopFrame:
	member dst : Uint256*
	end

	if n == 0:
	return ()
	end