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Try it Live

Run Opcode examples in the interactive playground

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Opcode.isSwap()

Check if opcode is SWAP1-SWAP16. 
import { isSwap, SWAP1, SWAP16 } from 'tevm/Opcode'

isSwap(SWAP1)   // true
isSwap(SWAP16)  // true

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Parameters

  • opcode: BrandedOpcode - Opcode to check

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Returns

boolean - True if SWAP1-SWAP16 (0x90-0x9F)

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SWAP Operations

Exchange top with item at depth 1-16:
  • SWAP1 (0x90): Swap top with 2nd
  • SWAP2 (0x91): Swap top with 3rd
  • SWAP16 (0x9F): Swap top with 17th