Method tryParseArgumentClose

packages/icu-messageformat-parser/parser.ts:868–881

(
    openingBracePosition: Position
  )

  }

  private tryParseArgumentClose(
    openingBracePosition: Position
  ): Result<true, ParserError> {
    // Parse: {value, number, ::currency/GBP }
    //
    if (this.isEOF() || this.char() !== 125 /* `}` */) {
      return this.error(
        ErrorKind.EXPECT_ARGUMENT_CLOSING_BRACE,
        createLocation(openingBracePosition, this.clonePosition())
      )
    }
    this.bump() // `}`
    return {val: true, err: null}
  }

  /**
   * See: https://github.com/unicode-org/icu/blob/af7ed1f6d2298013dc303628438ec4abe1f16479/icu4c/source/common/messagepattern.cpp#L659