(and (pair? x)
(number? (car x)) (number? (cdr x))))
+(define-public (number-pair-list? x)
+ (and (list? x)
+ (every number-pair? x)))
+
(define-public (fraction? x)
(and (pair? x)
(index? (car x)) (index? (cdr x))))
(define-public (boolean-or-symbol? x)
(or (boolean? x) (symbol? x)))
+(define-public (symbol-list? x)
+ (and (list? x) (every symbol? x)))
+
+(define-public (symbol-list-or-music? x)
+ (if (list? x)
+ (every symbol? x)
+ (ly:music? x)))
+
(define-public (string-or-symbol? x)
(or (string? x) (symbol? x)))
(define-public (number-or-string? x)
(or (number? x) (string? x)))
+(define-public (number-or-markup? x)
+ (or (number? x) (markup? x)))
+
(define-public (string-or-pair? x)
(or (string? x) (pair? x)))
+(define-public (string-or-music? x)
+ (or (string? x) (ly:music? x)))
+
(define-public (number-or-pair? x)
(or (number? x) (pair? x)))
(define-public (cheap-list? x)
(or (pair? x) (null? x)))
-(define-public (list-or-symbol? x)
- (or (cheap-list? x) (symbol? x)))
+(define-public (symbol-list-or-symbol? x)
+ (if (list? x)
+ (every symbol? x)
+ (symbol? x)))
(define-public (scheme? x) #t)
(if (null? alist)
"Unknown type"
(if (apply (caar alist) obj)
- (cdar alist)
- (match-predicate obj (cdr alist)))))
+ (cdar alist)
+ (match-predicate obj (cdr alist)))))
(define-public (object-type obj)
(match-predicate obj type-p-name-alist))