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add type hints - fixes #21 #22

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Merged
merged 1 commit into from
Oct 31, 2021
Merged

add type hints - fixes #21 #22

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2 changes: 1 addition & 1 deletion adafruit_waveform/sine.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_Waveform.git"


def sine_wave(sample_frequency, pitch):
def sine_wave(sample_frequency: float, pitch: float):
"""Generate a single sine wav cycle at the given sampling frequency and pitch."""
length = int(sample_frequency / pitch)
b = array.array("H", [0] * length)
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2 changes: 1 addition & 1 deletion adafruit_waveform/square.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_Waveform.git"


def square_wave(sample_length=2):
def square_wave(sample_length: int = 2):
"""Generate a single square wave of sample_length size"""
square = array.array("H", [0] * sample_length)
for i in range(sample_length // 2):
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