Session types have recently been integrated with functional languages, bringing message-passing concurrency to programming. Channel endpoints then become first-class and can be stored in data structures, captured closures, sent along channels. Representatives of the GV (Wadler's "Good Variation") session type family are particular appeal because they not only assert fidelity but also deadlock f...

this research was conducted to compare plant functional types (pft) and traits in an old-field (abandoned for 28 years) and a control site, in the baharkish rangelands, quchan, iran. in the both sites, 40 randomized quadrates were established. floristic list, frequency, canopy cover and 20 vegetative, phenological and morphological plant traits were measured for all plant species, within each q...