fn:fold-left
Processes the supplied sequence from left to right, applying the supplied function repeatedly to each item in turn, together with an accumulated result value.
fold-left($seq as item()*, $zero as item()*, $f as function(item(), item()*) as item()*) ➔ item()*
Arguments | |||
| $seq | item()* | The input sequence |
| $zero | item()* | The initial value (the value to be returned if the sequence is empty) |
| $f | function(item(), item()*) as item()* | The function to be applied to each item in the sequence |
Result | item()* | ||
Namespace
http://www.w3.org/2005/xpath-functions
Links to W3C specifications
XPath 3.1 Functions and Operators
Notes on the Saxon implementation
Available in Saxon 9.3 - 9.5 with altered argument order ($f,$zero,$seq),
and provided XPath 3.0 is enabled.