Module Ppx_deriving_yojson_runtime
val (>>=) : 'a error_or -> ('a -> 'b error_or) -> 'b error_or
val (>|=) : 'a error_or -> ('a -> 'b) -> 'b error_or
val map_bind : ('a -> 'b error_or) -> 'b list -> 'a list -> 'b list error_or
val safe_map : ('a -> 'b) -> 'a list -> 'b list
safe_map f l
returns the same value asList.map f l
, but computes it tail-recursively so that large list lengths don't cause a stack overflow
module Result : sig ... end