Symbol representing the location where a workflow is expected to produce its result

Symbol representing an existing empty directory that can be used as a temporary space for a workflow's execution.

Symbol representing the number of cores allocated to the workflow

Symbol representing the memory size allocated to the workflow, in GB.

A chunk of text

Int formatting

Float formatting

dep w is interpreted as the path where to find the result of workflow w

string_dep w is interpreted as the result of workflow w

int_dep w is interpreted as result of workflow w

quote ~using:c t surrounds template t with character c

option f o is f x if o = Some x and string "" otherwise

list combinator, optional value of sep is ","

another list combinator, default value for sep is ""

combinator for enumerations

file_dump t can be used when a command needs a configuration script: at run-time, it will generate a text using t, save it to a path, deterministically chosen as a function of t. Finally the template file_dump t is interpreted as this path.