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Traits · medium

28. Dynamic Trait Dispatch: use-trait

Passing contracts as parameters.

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`use-trait` allows passing contract implementations dynamically as function arguments for decentralized exchanges and routing.

clarity
(use-trait ft-trait 'SP3F...traits.sip-010-trait)
(define-public (swap (token <ft-trait>))
  (contract-call! token transfer u100 tx-sender 'SP3F... none))

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  1. 1. How do you specify a parameter that accepts any contract implementing a trait?

  2. 2. Why use dynamic trait dispatch?

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