A function for checking if an object is an ichimoku object.
is.ichimoku(x)
an object.
A logical value of TRUE if 'x' is of class 'ichimoku', otherwise FALSE.
cloud <- ichimoku(sample_ohlc_data)
# TRUE:
is.ichimoku(cloud)
#> [1] TRUE
# FALSE:
is.ichimoku(sample_ohlc_data)
#> [1] FALSE