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Minor: simplify the implementation of requireThat{} a little bit (reviewed by Roger).

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This commit is contained in:
Mike Hearn 2016-11-23 18:26:24 +01:00
parent 8b94325039
commit a1759016a8
1 changed files with 4 additions and 4 deletions
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8
core/src/main/kotlin/net/corda/core/contracts/ContractsDSL.kt
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@ -48,14 +48,14 @@ infix fun Amount<Currency>.issuedBy(deposit: PartyAndReference) = Amount(quantit
//// Requirements /////////////////////////////////////////////////////////////////////////////////////////////////////
class Requirements {
infix fun String.by(expr: Boolean) {
object Requirements {
@Suppress("NOTHING_TO_INLINE") // Inlining this takes it out of our committed ABI.
infix inline fun String.by(expr: Boolean) {
if (!expr) throw IllegalArgumentException("Failed requirement: $this")
}
}
val R = Requirements()
inline fun <R> requireThat(body: Requirements.() -> R) = R.body()
inline fun <R> requireThat(body: Requirements.() -> R) = Requirements.body()
//// Authenticated commands ///////////////////////////////////////////////////////////////////////////////////////////