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language/scan: add len() support

This commit is contained in:
Sebastien Bourdeauducq 2015-10-12 16:06:12 +08:00
parent cd3b590962
commit 7414b90da3
1 changed files with 12 additions and 0 deletions
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12
artiq/language/scan.py
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@ -47,6 +47,9 @@ class NoScan(ScanObject):
def __iter__(self): def __iter__(self):
return self._gen() return self._gen()
def __len__(self):
return 1
def describe(self): def describe(self):
return {"ty": "NoScan", "value": self.value} return {"ty": "NoScan", "value": self.value}
@ -70,6 +73,9 @@ class LinearScan(ScanObject):
def __iter__(self): def __iter__(self):
return self._gen() return self._gen()
def __len__(self):
return self.npoints
def describe(self): def describe(self):
return {"ty": "LinearScan", return {"ty": "LinearScan",
"min": self.min, "max": self.max, "npoints": self.npoints} "min": self.min, "max": self.max, "npoints": self.npoints}
@ -89,6 +95,9 @@ class RandomScan(ScanObject):
def __iter__(self): def __iter__(self):
return iter(self.sequence) return iter(self.sequence)
def __len__(self):
return self.npoints
def describe(self): def describe(self):
return {"ty": "RandomScan", return {"ty": "RandomScan",
"min": self.min, "max": self.max, "npoints": self.npoints} "min": self.min, "max": self.max, "npoints": self.npoints}
@ -103,6 +112,9 @@ class ExplicitScan(ScanObject):
def __iter__(self): def __iter__(self):
return iter(self.sequence) return iter(self.sequence)
def __len__(self):
return len(self.sequence)
def describe(self): def describe(self):
return {"ty": "ExplicitScan", "sequence": self.sequence} return {"ty": "ExplicitScan", "sequence": self.sequence}